Contact Us
facilitiesplanning@mtsac.edu
(909) 274-4850
Building 46A-1200
Alert: Mt. SAC has Transitioned to Online Classes and Services (see www.mtsac.edu/online). Learn more about our COVID-19 response at www.mtsac.edu/health.
Mt. San Antonio College
1100 N. Grand Ave., Walnut, CA 91789
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Phone(909) 274-7500
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Campus Police(909) 274-4555
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Text-A-Tip(909) 610-9139
